1、Scope of Application: This ruler can draw all kinds of horizontal and vertical lines, and achieve 0 to 70° angle transformation, which is convenient and fast. 2、Used for: This woodworking ruler is mainly used for architectural drawing design, carpentry, etc. You can also use it for other measurements. 3、Easy to Read: There are engraved scales and accurate holes on the ruler that you can easily read the data and make accurate measurements. 4、Aluminum Alloy: Made of premium aluminum alloy, this ruler is wear resistant, rust resistant, strong and durable, not easy to deform. 5、Ideal Replacement: Comes with accurate measurement and professional workmanship, this ruler is an ideal replacement for the old and damaged parts.